From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from azure-sdnproxy.icoremail.net (azure-sdnproxy.icoremail.net [52.229.205.26]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 95E12309EFA; Fri, 5 Dec 2025 09:04:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=52.229.205.26 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764925487; cv=none; b=SUOlkA1FNZ6i+cEmHGTogFQzynOBVEJjxn0bpFWp4Kx3q5fhf1q8rT9eZi3sen0LJdcodZEaVQA/Kwt2RNgjtIZk/Tatwlv8lTkRaRtZLvD8jzpzMejjvZxuWr3IecCGuqDVNhcubo0Jjioh5hhtxuTwXIrW8vcEQ2jFmLAa7DU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764925487; c=relaxed/simple; bh=oE8GoZP04K680ASQk1ozGiSx1k2fBPmgcNZwSMjytWk=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=o6oRQTaKBt1aqaY3kz8zdysUWfzbjj6xmk74R7Il7MtXX3s3R51lSK1+7CkOdh/mGN2V0sLRwZctBpni3kBrS5q2RhvEABBXuRYljP9r4x9J1Bxl41mZzs9gbzGUaoAwonoNM0oRiWFEyUtw2KMvb/i1t51Kb7b99kisHzCoupI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=eswincomputing.com; spf=pass smtp.mailfrom=eswincomputing.com; arc=none smtp.client-ip=52.229.205.26 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=eswincomputing.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=eswincomputing.com Received: from E0005152DT.eswin.cn (unknown [10.12.96.41]) by app1 (Coremail) with SMTP id TAJkCgCXkGgOoDJpadmBAA--.39523S2; Fri, 05 Dec 2025 17:04:15 +0800 (CST) From: dongxuyang@eswincomputing.com To: ukleinek@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, p.zabel@pengutronix.de, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: ningyu@eswincomputing.com, linmin@eswincomputing.com, xuxiang@eswincomputing.com, wangguosheng@eswincomputing.com, pinkesh.vaghela@einfochips.com, Xuyang Dong Subject: [PATCH 0/2] Add driver support for ESWIN EIC7700 PWM controller Date: Fri, 5 Dec 2025 17:04:11 +0800 Message-Id: <20251205090411.1388-1-dongxuyang@eswincomputing.com> X-Mailer: git-send-email 2.31.1.windows.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:TAJkCgCXkGgOoDJpadmBAA--.39523S2 X-Coremail-Antispam: 1UD129KBjvdXoWruF4UGFyDXFy7Cw1fJr1xAFb_yoWDGFbEkw 4furZ7Xw4ruF95AayYyrZ3ZFyqyF45Wr1vkFZ0k34Y9wnrur15KrykZ34UZ3WIyF45AF1D AryIyF1Skr17XjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbhxFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j 6F4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oV Cq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0 I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r 4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628v n2kIc2xKxwAKzVCY07xG64k0F24lc7CjxVAaw2AFwI0_Jw0_GFylc2xSY4AK6svPMxAIw2 8IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4l x2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrw CI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI 42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z2 80aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUbknY7UUUUU== X-CM-SenderInfo: pgrqw5xx1d0w46hv4xpqfrz1xxwl0woofrz/ From: Xuyang Dong Add support for the ESWIN EIC7700 PWM (Pulse Width Modulation) based on Synopsys DWC PWM. Features: The EIC7700 PWM driver supports a duty cycle range from 0% to 100%, with explicit support added for both 0% and 100% duty cycles. Supported chips: ESWIN EIC7700 series SoC. Test: Tested this patch on the Sifive HiFive Premier P550 (which used the EIC7700 SoC). Xuyang Dong (2): dt-bindings: pwm: eswin: Add EIC7700 pwm controller pwm: eswin: Add EIC7700 pwm driver .../bindings/pwm/eswin,eic7700-pwm.yaml | 73 ++++++ drivers/pwm/Kconfig | 12 + drivers/pwm/Makefile | 1 + drivers/pwm/pwm-dwc-core.c | 76 ++++-- drivers/pwm/pwm-dwc-eic7700.c | 231 ++++++++++++++++++ drivers/pwm/pwm-dwc.h | 16 +- 6 files changed, 384 insertions(+), 25 deletions(-) create mode 100644 Documentation/devicetree/bindings/pwm/eswin,eic7700-pwm.yaml create mode 100644 drivers/pwm/pwm-dwc-eic7700.c -- 2.34.1